| 1 | use Mail::DKIM::Signer; |
| 2 | use Mail::DKIM::TextWrap; #recommended |
| 3 | use Getopt::Long; |
| 4 | |
| 5 | # default option values |
| 6 | my $method = "simple/simple"; |
| 7 | my $selector = "sel"; |
| 8 | my $keyfile = "aux-fixed/dkim/dkim.private"; |
| 9 | my $algorithm = "rsa-sha1"; |
| 10 | |
| 11 | GetOptions( |
| 12 | "method=s" => \$method, |
| 13 | "selector=s" => \$selector, |
| 14 | "keyfile=s" => \$keyfile, |
| 15 | "algorithm=s" => \$algorithm, |
| 16 | ); |
| 17 | |
| 18 | # create a signer object |
| 19 | my $dkim = Mail::DKIM::Signer->new( |
| 20 | Algorithm => $algorithm, |
| 21 | Method => $method, |
| 22 | Domain => "test.ex", |
| 23 | Selector => $selector, |
| 24 | KeyFile => $keyfile, |
| 25 | ); |
| 26 | |
| 27 | # read an email and pass it into the signer, one line at a time |
| 28 | while (<STDIN>) |
| 29 | { |
| 30 | # remove local line terminators |
| 31 | chomp; |
| 32 | s/\015$//; |
| 33 | |
| 34 | # use SMTP line terminators |
| 35 | $dkim->PRINT("$_\015\012"); |
| 36 | } |
| 37 | $dkim->CLOSE; |
| 38 | |
| 39 | # what is the signature result? |
| 40 | my $signature = $dkim->signature; |
| 41 | print $signature->as_string; |
| 42 | print "\n"; |
| 43 | |
| 44 | #print $dkim->headers; |
| 45 | #print "\n"; |